Quatech Audio/Video Capture USB 2.0 Dokumentacja Strona 176

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7
7-72 z.one ultra and z.one ultra sp OPERATOR MANUAL
To Do an Area (trace or ellipse)
1. Display the Measurements menu (see “To Access Measurements for
Elastography” on page 7-71).
2. Highlight and select Area (trace) or Area (ellipse).
3. Use Trackball to draw a trace/ellipse on the B-Mode image. Draw the trace/
ellipse on the perimeter of the area of interest. The trace/ellipse will also
appear on the Elastography image. Press Enter button.
Figure 7-35. Area Ratio: First Trace/Ellipse - B-Mode
4. Use Trackball to draw a trace/ellipse on the Elastography image. The trace/
ellipse will also appear on the B-Mode image. Press Enter button.
Figure 7-36. Area Ratio: Second Trace/Ellipse - Elastography
5. The area ratio is displayed at bottom right of the screen.
First trace - B-Mode
area of interest
*Example shows ellipse instead of a freeform trace
B-Mode trace appears
on Elastography
image
Second trace -
Elastography area of
interest
Elastography trace
appears on B-Mode
image
*Example shows ellipse instead of a freeform trace
Ratio
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